Which quadratic function opens down and has a vertex with a negative y value?
a. f(x)= 5x^2-1...
Mathematics, 11.10.2019 17:00 xxxanitaxxx
Which quadratic function opens down and has a vertex with a negative y value?
a. f(x)= 5x^2-18
b. g(x)= -4x^2+7x+20
c. h(x)= -1/2(x-9)^2+1
d. j(x)= -10(x+6)^2 -3
Answers: 3
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